use rqr::{StringRenderer, QrBuilder, ECLevel, Version, Mask, Mode};
fn main() {
let qr = QrBuilder::new()
.ecl(ECLevel::L)
.version(Version::new(3))
.mask(Mask::new(0))
.mode(Mode::Alphanumeric)
.into("1234567890")
.unwrap();
let s = StringRenderer::new().render(&qr);
println!("{}", s);
}